The impact of cooperative games on the aggression levels of a group of primary schoolchildren. Impetus, [S. l.], v. 19, n. 2, p. 1–11, 2025. DOI: 10.22579/20114680.547. Disponível em: https://ojsunillanos.dev5.metabiblioteca.com.co/index.php/impetus/article/view/547. Acesso em: 7 mar. 2026.